(Bloomberg) -- Cloud-computing giants powering the artificial intelligence boom are tapping global debt markets to fund hundreds of billions of dollars needed for data centers, chips and other infrastructure. Junk-rated CoreWeave Inc. is now following their lead.Most Read from BloombergXbox Plans Significant Layoffs as New CEO Plans OverhaulTrump Vows New Attacks on Iran, Threatens Key Energy TargetsHouse Republican Says Hegseth’s D-Day Remarks ‘Inappropriate’US Strikes Iran in Trump Escalation